Filter.



FRITZ ROSENSTEIN, OF LOKSGHELES, CALIFORNIA.

y rmrn To all whom it 'ma-y concern:

1 3e 1t known that l, Fnrrz RosENsTnrv, citizen of the United States, residing at Los Angeles, in the countv of Los Angeles and State of California, have invented new and useful Improvements in Filters, of which the following is a specification- This invention relates to improvements in filters and has particular reierence to portable filters, adapted to be carried about in lvest or other pockets.

. commonly found in ublic places.

ing interposed the filter stone The invention is ilustnzted in panying drawing:

'Flgure 1 is a perspective view. Fig. 2 a vertical section. Fig. 3 s Segre ated view. Fig. 4 a vertical section of a modified form, and Fig. 5 is a vertical section of another modifiezd form.

Specific reference being herd to the drawing, 1 represents a tubular body consisting of transparent or vitreous msi-arial, the lower extremity of the body provided with a' bulging portion 2, seen in 2, or with a tapering end 3 as seen in 4.

4 designates an elastic bedy arranged to snugly and tightly engsge seid bulging portion 2, or sai tapering end 3. `Within said elastic body is a cage 5, composed of two parts 5 and 6 and adapted to form a container for a fibrous filter medium 7.

8 is a filter stone, located below said filter cage and 9 is a sieve or strainer fitting the lower end of said elastic porrion 4. The extremity 10 of said elastiepsrtion 4 is convergent for the purpose or ferming a hold or ti ht fitting sleeve for the component parts o the filter container.

VThe filter cage shonn in 4, is spherical in shape,l when serving; es s. container, and

consists of two henspheriesl portions havthe accom- Specication of Patent. spire-essen mea .octobre a, lens. seal No. 337,985.

` The' construction of the filter as shown in Fig. 5, iskpreferable, since thefcost of manufacture cfa filter of this type, is considerably less and the filter media, to ether with el the parts thereof, can be casi y wedged into the extremity through the wider opening of the tube. ln said figure, the opening at the extremity is constricted as seen at 11, to form a seat for-\the filter medium.

ill/'hat I claimand desire to secure ters Patent of theUnited States, is:

1. A portable lter comprising `a\hollow body having a bul ing extremity, anlelastic body fitting said bu ing extremity, a fo ami-' nous cage m said e astio body, a ston beneath said cage, and a sieve in the end of said elastic body. 2. A portable filter comprising a hollow by Let- F/rcnj i .Patented sept. 22, reos.

transparent body, having a bulging eXtrem-"\` beneath said fibrous filter, and a cage inclosing said fibrous filter and stone, saidcage being within said nip le.

5. A portable filter comprising a hollow transparent body having at one end a dist-ention and a constricted o ening in said distention, and an elastic bo y fitting said distention, a tWoart foraminous cac@ in said elastic body, a ltcr medium in said cage, and e. stone beneath said filter medium.

In testimony whereof I affix my signature, in presence of two subscribing witnesses.

FRITZ RosnNsTEIN.

Vitnesscs:

E. M. TnoMPsoN, Isrnon STEINHARDT. 

